A high-quality designer track bicycle chainring with a unique tooth profile designed for maximum engagement and minimal wear. Manufactured in Peabody, Massachusetts, USA, from certified 7005-T6 aluminum plate stock. These chainrings are fully CNC machined. All edges (front and rear) are machine broken with a 45-degree 0.010-in deep chamfer. Product is packaged in brown paper with a QC certification label and number. Technical Details: Bolt Circle Diameter: 144 mm Number of Teeth: 47 of 49 Supported Chain Type: 1/8 in Track/BMX Material: Anodized 7005-T6 Aluminum
B**L
Five Stars
I like my 51! It's got an interesting look, and it works smoothly.
Trustpilot
2 weeks ago
4 days ago
